[deliverable/linux.git] / include / net / iucv / af_iucv.h

/*
 * Copyright 2006 IBM Corporation
 * IUCV protocol stack for Linux on zSeries
 * Version 1.0
 * Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
 *
 */

#ifndef __AFIUCV_H
#define __AFIUCV_H

#include <asm/types.h>
#include <asm/byteorder.h>
#include <linux/list.h>
#include <linux/poll.h>
#include <linux/socket.h>

#ifndef AF_IUCV
#define AF_IUCV		32
#define PF_IUCV		AF_IUCV
#endif

/* Connection and socket states */
enum {
	IUCV_CONNECTED = 1,
	IUCV_OPEN,
	IUCV_BOUND,
	IUCV_LISTEN,
	IUCV_SEVERED,
	IUCV_DISCONN,
	IUCV_CLOSING,
	IUCV_CLOSED
};

#define IUCV_QUEUELEN_DEFAULT	65535
#define IUCV_CONN_TIMEOUT	(HZ * 40)
#define IUCV_DISCONN_TIMEOUT	(HZ * 2)
#define IUCV_CONN_IDLE_TIMEOUT	(HZ * 60)
#define IUCV_BUFSIZE_DEFAULT	32768

/* IUCV socket address */
struct sockaddr_iucv {
	sa_family_t	siucv_family;
	unsigned short	siucv_port;		/* Reserved */
	unsigned int	siucv_addr;		/* Reserved */
	char		siucv_nodeid[8];	/* Reserved */
	char		siucv_user_id[8];	/* Guest User Id */
	char		siucv_name[8];		/* Application Name */
};


/* Common socket structures and functions */
struct sock_msg_q {
	struct iucv_path	*path;
	struct iucv_message	msg;
	struct list_head	list;
	spinlock_t		lock;
};

#define iucv_sk(__sk) ((struct iucv_sock *) __sk)

struct iucv_sock {
	struct sock		sk;
	char			src_user_id[8];
	char			src_name[8];
	char			dst_user_id[8];
	char			dst_name[8];
	struct list_head	accept_q;
	spinlock_t		accept_q_lock;
	struct sock		*parent;
	struct iucv_path	*path;
	struct sk_buff_head	send_skb_q;
	struct sk_buff_head	backlog_skb_q;
	struct sock_msg_q	message_q;
	unsigned int		send_tag;
	u8			flags;
	u16			msglimit;
};

/* iucv socket options (SOL_IUCV) */
#define SO_IPRMDATA_MSG	0x0080		/* send/recv IPRM_DATA msgs */
#define SO_MSGLIMIT	0x1000		/* get/set IUCV MSGLIMIT */

/* iucv related control messages (scm) */
#define SCM_IUCV_TRGCLS	0x0001		/* target class control message */

struct iucv_sock_list {
	struct hlist_head head;
	rwlock_t	  lock;
	atomic_t	  autobind_name;
};

unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
			    poll_table *wait);
void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
int  iucv_sock_wait_state(struct sock *sk, int state, int state2,
			  unsigned long timeo);
int  iucv_sock_wait_cnt(struct sock *sk, unsigned long timeo);
void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
void iucv_accept_unlink(struct sock *sk);
struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock);

#endif /* __IUCV_H */
Commit	Line	Data
eac3731b JH	1	/*
	2	* Copyright 2006 IBM Corporation
	3	* IUCV protocol stack for Linux on zSeries
	4	* Version 1.0
	5	* Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
	6	*
	7	*/
	8
	9	#ifndef __AFIUCV_H
	10	#define __AFIUCV_H
	11
	12	#include <asm/types.h>
	13	#include <asm/byteorder.h>
	14	#include <linux/list.h>
	15	#include <linux/poll.h>
	16	#include <linux/socket.h>
	17
	18	#ifndef AF_IUCV
	19	#define AF_IUCV 32
	20	#define PF_IUCV AF_IUCV
	21	#endif
	22
	23	/* Connection and socket states */
	24	enum {
	25	IUCV_CONNECTED = 1,
	26	IUCV_OPEN,
	27	IUCV_BOUND,
	28	IUCV_LISTEN,
	29	IUCV_SEVERED,
	30	IUCV_DISCONN,
561e0360	31	IUCV_CLOSING,
eac3731b JH	32	IUCV_CLOSED
	33	};
	34
	35	#define IUCV_QUEUELEN_DEFAULT 65535
	36	#define IUCV_CONN_TIMEOUT (HZ * 40)
	37	#define IUCV_DISCONN_TIMEOUT (HZ * 2)
	38	#define IUCV_CONN_IDLE_TIMEOUT (HZ * 60)
	39	#define IUCV_BUFSIZE_DEFAULT 32768
	40
	41	/* IUCV socket address */
	42	struct sockaddr_iucv {
	43	sa_family_t siucv_family;
	44	unsigned short siucv_port; /* Reserved */
	45	unsigned int siucv_addr; /* Reserved */
	46	char siucv_nodeid[8]; /* Reserved */
	47	char siucv_user_id[8]; /* Guest User Id */
	48	char siucv_name[8]; /* Application Name */
	49	};
	50
	51
	52	/* Common socket structures and functions */
f0703c80 UB	53	struct sock_msg_q {
	54	struct iucv_path *path;
	55	struct iucv_message msg;
	56	struct list_head list;
	57	spinlock_t lock;
	58	};
eac3731b JH	59
	60	#define iucv_sk(__sk) ((struct iucv_sock *) __sk)
	61
	62	struct iucv_sock {
	63	struct sock sk;
	64	char src_user_id[8];
	65	char src_name[8];
	66	char dst_user_id[8];
	67	char dst_name[8];
	68	struct list_head accept_q;
febca281	69	spinlock_t accept_q_lock;
eac3731b JH	70	struct sock *parent;
	71	struct iucv_path *path;
	72	struct sk_buff_head send_skb_q;
561e0360	73	struct sk_buff_head backlog_skb_q;
f0703c80	74	struct sock_msg_q message_q;
eac3731b	75	unsigned int send_tag;
9d5c5d8f	76	u8 flags;
09488e2e	77	u16 msglimit;
eac3731b JH	78	};
eac3731b JH	79
9d5c5d8f HB	80	/* iucv socket options (SOL_IUCV) */
9d5c5d8f HB	81	#define SO_IPRMDATA_MSG 0x0080 /* send/recv IPRM_DATA msgs */
09488e2e	82	#define SO_MSGLIMIT 0x1000 /* get/set IUCV MSGLIMIT */
9d5c5d8f	83
44b1e6b5 HB	84	/* iucv related control messages (scm) */
	85	#define SCM_IUCV_TRGCLS 0x0001 /* target class control message */
	86
eac3731b JH	87	struct iucv_sock_list {
	88	struct hlist_head head;
	89	rwlock_t lock;
	90	atomic_t autobind_name;
	91	};
	92
eac3731b JH	93	unsigned int iucv_sock_poll(struct file file, struct socket sock,
eac3731b JH	94	poll_table *wait);
eac3731b JH	95	void iucv_sock_link(struct iucv_sock_list l, struct sock s);
	96	void iucv_sock_unlink(struct iucv_sock_list l, struct sock s);
	97	int iucv_sock_wait_state(struct sock *sk, int state, int state2,
	98	unsigned long timeo);
	99	int iucv_sock_wait_cnt(struct sock *sk, unsigned long timeo);
	100	void iucv_accept_enqueue(struct sock parent, struct sock sk);
	101	void iucv_accept_unlink(struct sock *sk);
	102	struct sock iucv_accept_dequeue(struct sock parent, struct socket *newsock);
	103
	104	#endif /* __IUCV_H */